Merge pull request #5162 from GeorgianaElena/dask-hub-split #5747
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| # This is a GitHub workflow defining a set of jobs with a set of steps. ref: | |
| # https://docs.github.com/en/actions/learn-github-actions/workflow-syntax-for-github-actions | |
| # | |
| # Runs the deployer module to validate clusters. This will both validate | |
| # cluster.yaml files, any non-encrypted values files for the support chart (if they | |
| # exist), as well as each hubs passed non-encrypted values files against the Helm | |
| # charts' values schema. | |
| # | |
| name: Validate clusters | |
| on: | |
| pull_request: | |
| branches: | |
| - main | |
| paths: | |
| - "config/clusters/**" | |
| # Exclude changes to the templates directory from | |
| # triggering this workflow | |
| - "!config/clusters/templates/**" | |
| - "helm-charts/**" | |
| - "deployer/**" | |
| - "requirements.txt" | |
| - ".github/workflows/validate-clusters.yaml" | |
| push: | |
| branches: | |
| - main | |
| paths: | |
| - "config/clusters/**" | |
| # Exclude changes the templates directory from | |
| # triggering this workflow | |
| - "!config/clusters/templates/**" | |
| - "helm-charts/**" | |
| - "deployer/**" | |
| - "requirements.txt" | |
| - ".github/workflows/validate-clusters.yaml" | |
| tags: | |
| - "**" | |
| workflow_dispatch: | |
| permissions: | |
| packages: read | |
| jobs: | |
| # This job inspects changed files in order to determine which cluster files | |
| # should be validated. If helm-chart files change, then all clusters will be | |
| # validated. The output of this job is a json-encoded dictionary of the | |
| # cluster names to be validated. This is passed to the | |
| # validate-helm-charts-values-files job to define a matrix strategy. | |
| # We also set a continue_workflow job output that determines if either the | |
| # common or cluster_specific files have changed and whether the next job | |
| # should be run. We always run the next job if the workflow was manually | |
| # triggered. | |
| # | |
| # === Notes on dorny/paths-filter syntax === | |
| # 1. Setting 'list-files: csv' sets an output called '${FILTER_NAME}_files' | |
| # that we use to determine which specific clusters have file changes | |
| # 2. The 'added|modified:' syntax before a path glob pattern means that we | |
| # only care about files that have been added or modified, not deleted | |
| # 3. We can also group filters together and hence only need to run the action | |
| # step *once* with the 'common' and 'cluster-specific' filters together | |
| generate-clusters-to-validate: | |
| runs-on: ubuntu-latest | |
| permissions: | |
| pull-requests: read | |
| outputs: | |
| continue_workflow: | | |
| ${{ github.event_name == 'workflow_dispatch' || | |
| (steps.file_changes.outputs.common == 'true' || | |
| steps.file_changes.outputs.cluster_specific == 'true') }} | |
| cluster_matrix: ${{ env.MATRIX || '[]' }} | |
| # Only run this job if one of the following conditions is true: | |
| # - The workflow was manually triggered | |
| # - The event is a push to the main branch | |
| # - The event is a pull request where the head branch is *NOT* a dependabot | |
| # or pre-commit generated branch | |
| if: | | |
| github.event_name == 'workflow_dispatch' || | |
| (github.event_name == 'push' && contains(github.ref, 'main')) || | |
| (github.event_name == 'pull_request' && contains(github.head_ref, fromJson('["dependabot", "pre-commit"]')) == false) | |
| steps: | |
| - uses: actions/checkout@v4 | |
| - uses: actions/setup-python@v5 | |
| with: | |
| python-version: "3.11" | |
| - name: Check for file changes | |
| # Don't run this step when we manually trigger the workflow | |
| if: github.event_name != 'workflow_dispatch' | |
| # Action repo: https://github.com/dorny/paths-filter | |
| uses: dorny/paths-filter@v3 | |
| id: file_changes | |
| with: | |
| token: "" | |
| list-files: csv | |
| filters: | | |
| common: | |
| - added|modified: deployer/** | |
| - added|modified: helm-charts/basehub/** | |
| - added|modified: helm-charts/daskhub/** | |
| - added|modified: helm-charts/support/** | |
| - added|modified: requirements.txt | |
| - added|modified: .github/workflows/validate-clusters.yaml | |
| cluster_specific: | |
| - added|modified: config/clusters/** | |
| # We want to ignore config/clusters/templates/**, but it seems its | |
| # not be possible for us to do so with a single call to this | |
| # action. Let's try to ignore jobs failing triggered by stuff in | |
| # templates/. | |
| # - added|modified: !config/clusters/templates/** | |
| # Only run this step if there *ARE* changes under the common filter, *OR* | |
| # we have manually triggered the workflow | |
| - name: Generate a matrix containing all clusters | |
| if: | | |
| github.event_name == 'workflow_dispatch' || | |
| steps.file_changes.outputs.common == 'true' | |
| shell: python | |
| run: | | |
| import os | |
| import json | |
| # List all cluster folders | |
| cluster_folders = os.listdir("config/clusters") | |
| # Construct a matrix of all clusters | |
| matrix = [] | |
| for cluster in cluster_folders: | |
| # The `templates` directory contains template yaml configs | |
| # and doesn't represent a "real" cluster. | |
| # This is why we need to exclude it from the list of clusters | |
| # and hence all workflows, otherwise it will cause them to fail. | |
| if cluster != "templates": | |
| matrix.append({"cluster_name": cluster}) | |
| # Write matrix to the GITHUB_ENV file in GitHub Actions | |
| env_file = os.getenv("GITHUB_ENV") | |
| with open(env_file, "a") as f: | |
| # Explicitly dump these as JSON, as that is what they are read as | |
| # General python object syntax sometimes works but sometimes does | |
| # not - for example, single quotes are not valid in JSON. | |
| f.write(f"MATRIX={json.dumps(matrix)}") | |
| # Only run this step if there are *NO* changes under the common filter, | |
| # but *ARE* changes under the cluster_specific filter, *AND* we have not | |
| # manually triggered the workflow | |
| - name: Generate a matrix containing only clusters that have changes | |
| if: | | |
| github.event_name != 'workflow_dispatch' && | |
| steps.file_changes.outputs.common != 'true' && | |
| steps.file_changes.outputs.cluster_specific == 'true' | |
| shell: python | |
| run: | | |
| import os | |
| import json | |
| from pathlib import Path | |
| # Consume list of changed cluster files and convert to list by splitting | |
| # on the comma character | |
| cluster_files = r"""${{ steps.file_changes.outputs.cluster_specific_files }}""" | |
| cluster_files = cluster_files.split(",") | |
| assert isinstance(cluster_files, list) | |
| # Extract the cluster names from the paths of the changed files | |
| clusters = [] | |
| for cluster_file in cluster_files: | |
| clusters.append(Path(cluster_file).parent.stem) | |
| # Ensure each cluster name only appears once by transforming the list | |
| # into a set | |
| clusters = set(clusters) | |
| # Construct a matrix of clusters that have changes | |
| matrix = [] | |
| for cluster in clusters: | |
| matrix.append({"cluster_name": cluster}) | |
| # Write the matrix to the GITHUB_ENV file in GitHub Actions | |
| env_file = os.getenv("GITHUB_ENV") | |
| with open(env_file, "a") as f: | |
| # Explicitly dump these as JSON, as that is what they are read as | |
| # General python object syntax sometimes works but sometimes does | |
| # not - for example, single quotes are not valid in JSON. | |
| f.write(f"MATRIX={json.dumps(matrix)}") | |
| # This job runs the 'deployer validate' subcommand across a matrix of | |
| # cluster names. | |
| # | |
| # It relies on the generate-clusters-to-validate job to have completed and | |
| # set the following outputs: | |
| # - continue_workflow (bool): This job will only run if this output is set to | |
| # 'true'. The value of this output is calculated based on detected file | |
| # changes. | |
| # - cluster_matrix (json obj): A matrix of cluster names that require validation | |
| # due to detected changes. This job will not run if this output is empty, | |
| # i.e., '[]'. | |
| # | |
| validate-helm-charts-values-files: | |
| runs-on: ubuntu-latest | |
| needs: [generate-clusters-to-validate] | |
| if: | | |
| needs.generate-clusters-to-validate.outputs.continue_workflow && | |
| (needs.generate-clusters-to-validate.outputs.cluster_matrix != '[]') | |
| strategy: | |
| fail-fast: false | |
| matrix: | |
| jobs: ${{ fromJson(needs.generate-clusters-to-validate.outputs.cluster_matrix) }} | |
| steps: | |
| - uses: actions/checkout@v4 | |
| - uses: actions/setup-python@v5 | |
| with: | |
| python-version: "3.11" | |
| - name: Install deployer module dependencies | |
| run: | | |
| pip install --editable . | |
| - name: "Validate cluster: ${{ matrix.jobs.cluster_name }}" | |
| env: | |
| TERM: xterm | |
| run: | | |
| deployer validate all ${{ matrix.jobs.cluster_name }} |